- Description
OVERVIEW OF CELESTRON OMNI XLT 120
- High quality optics start with each lens and(or) mirror being hand selected so only the finest grade of optical glass is used
- StarBright XLT coatings provide maximized light transmission
- 25 mm multi-coated eyepiece - 20 mm eye relief, 50° FOV
- 1.25" star diagonal
- CG-4 German Equatorial mount with setting circles and slow motion controls - to accurately locate and track sky objects
- Ball bearings in both axis of the mount for smooth performance
- Heavy-duty pre-assembled stainless steel tripod featuring 1.75" legs, accessory tray and bubble level
- Easy no-tool setup
DESCRIPTION
Celestron Omni XLT series features the stable platform of the CG-4 mount and high quality optics. Using aspheric shaping technology in conjunction with hand-figuring the optics, the Omni XLT presents an image with virtually no spherical aberration. We also added our famous StarBright XLT coating system to further enhance light transmission.
SPECIFICATIONS
Optical Design |
Refractor |
Aperture (mm) |
120 mm (4.72 in) |
Focal Length |
1000 mm (39 in) |
Formula:Focal Ratio |
8.33 |
Focal Length of Eyepiece 1 (mm) |
25 mm (0.98 in) |
Formula:Magnification of Eyepiece 1 |
40 x |
Finderscope |
6x30 |
Mount Type |
Omni CG-4 Equatorial |
Tripod Leg Diameter |
1.75" Stainless |
Formula:Highest Useful Magnification |
283 x |
Formula:Lowest Useful Magnification |
17 x |
Formula:Limiting Stellar Magnitude |
12.9 |
Formula:Resolution (Rayleigh) |
1.16 arc seconds |
Formula:Resolution (Dawes) |
0.97 arc seconds |
Formula:Light Gathering Power (Compared to human eye) |
294 x |
Apparent Field of View |
1.25 ° |
Linear Field of View (@1000 yds) |
66 ft (20 m) |
Optical Coatings |
StarBright XLT |
Optical Tube Length |
40 in (1016 mm) |
Optical Tube Weight |
12.5 lbs (5.67 kg) |
Tripod Weight |
12.5 lbs (5.67 kg) |
Weight of Counterweights |
7 lbs (3.2 kg) and 4 lbs (1.8 kg) |
Warranty |
2-year Telescope Warranty |
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